the information we create in doing all of these actions, some of it is kind of short-lived information. it goes out. you get back the answer you want. it operates. -- evaporates. other information, when you go and bank online or buy something at amazon and it has to keep a record of that transaction, for its own inventory and your billing records, that stays alive basically forever. >> are these data centers the so-called cloud? >> it is a funny term. it is used in two different ways. in some people's minds, the cloud is anything that happens in the database. it is the magical stuff that happens when you send out this request. your e-mail or your request for a menu to some restaurant, and it comes back. that is a general way of speaking about the digital world. technical people in this industry refine it further. they refer to the cloud as a service in which you can rent computing space that you need why do need it. that way, you do not have to have a computer sitting on your desk to do processing. it is done on this rentable space, which is called the cloud. it means two different thi